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My comp keeps crashing on me. I've tried all of the trouble shooting i've found here from these forums and am still having problems. I've done about 30 fresh installs of windows in the past 6 months trying to get it to work properly. Doesn't matter if i'm running of my onboard video or my added vid cards. Doesn't matter if I run one or both RAM sticks. Doesn't matter if I run one or both vid cards. The pop up I get in the corner is what I've gone with for looking into trouble shooting. It refers to the graphics drivers crashing and then recovering. Doesn't matter if nothing is happening or not. Can sit fine for days, can turn it on and get 10 seconds out of it before it crashes. If i had any codes that it would give me I would help more on the situation. But when it crashes and doesn't recover I get no video; on either monitor. I'm getting very frustrated, this is the first time I've ever had this happen. This is the 4th computer I've built. First to involve any windows newer then XP. XP doesn't run my comp the way I would like it to. Some of the programs I use don't work with the 64-bit XP OS.

The first thing to come to mind was the PSU...but looking at your specs, that's fine. When it crashes, do you get BSOD or just go to blank screens? Do you get in colored horizontal lines at all when it crashes? Have you tried installing the latest AMD driver for your GPU from the AMD website? It sure acts and sounds like a driver issue.

Double check the GPU, to make sure that it's firmly seated all the way in the PCI slot and it's in the "right" PCI slot (x16 slot). Then make sure that all the power connections are in place and firmly seated. Specs say one (1) 75 watt 6 pin connector for single card and two for cross fire. Make sure you have the right wattage power connection to GPU.

The only other thing that comes to mind is it's over heating. Has the GPU been cleaned out recently? Do you have enough air flow inside case to keep it cool. Making sure your not just circulating warm/hot air. Sometimes the heatsink can get so gunked up with dust it will just cause it to over heat and get the results your having. You may have to take it apart to inspect the heat sink.

I only get black screens when it crashes completely, the computer continues to run but doesn't display anymore. No horizontal lines. I've taken out and put back in the video cards multiple times but it does it even when it's running from the onboard video as well. Have tried new and old drivers many times over. Dust isn't an issue because it's been doing this since day 1. I keep the area where my computer is situated cooler than the rest of the house by a quite a few degrees. I don't have a heat monitor but the ambient temp of the room is under 17 dergree celcius. It will crash when the computer first starts up after sitting off over night. I have all the right connectors O made sure of that when I purchased all of the parts. Like I've mentioned before this isn't the first rig I've built, just the most powerful.

One thing i just remembered that I had neglected to mention before is that when streaming video online the screens would both flicker often. Never horizontal lines but flicker to black and back multiple times per minute.

Since you are getting the same behavior out of your graphics cards and your onboard graphics, I'm leaning toward one of four possible problems:

A corrupted Windows install

A bad motherboard

A bad PSU

A bad CPU

Run SFC /SCANNOW Command - System File Checker up to three times to fix all errors. Post back if it continues to show errors after a fourth run or if the first run comes back with no integrity violations. This will pinpoint any bad Windows files or corrupted Windows files.

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